Home / 54,969.94-82,467-31,288.62

Finding the Fourth Proportional to 54,969.94, 82,467 and 31,288.62

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Solution

The fourth proportional to 54,969.94, 82,467 and 31,288.62 is: 46,939.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,969.94 : 82,467 = 31,288.62 : x
  2. Step 2: Convert to fraction form
    54,969.94/82,467 = 31,288.62/x
  3. Step 3: Cross multiply
    54,969.94x = 82,467 × 31,288.62
  4. Step 4: Simplify right side
    54,969.94x = 2,580,278,625.54
  5. Step 5: Solve for x
    x = 2,580,278,625.54/54,969.94
  6. Step 6: Final answer
    x = 46,939.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.